.callout[data-callout="infobox"] { 
max-width:450px;
float:right;
z-index:2;
position:relative;
}

.popover .callout[data-callout="infobox"] { 

background:red;
float:unset;

}

.popover .callout[data-callout="infobox"] .callout-title { 

display:none;

}